Problems compiling with llvm-3.5.0-2 on ARM

[Carter Schonwald]

TL;DR, you cant use llvm 3.5 or 3.6 with any current ghc release. use 3.4
or older

On Tue, Nov 4, 2014 at 10:56 PM, Jens Petersen <juhpetersen at gmail.com>
wrote:

> Hi Jarl,
>
> I think I just ran into this too for Fedora 22 rawhide on ARM and found
> your posts...
>
> On 30 October 2014 16:11, Jarl Gunnar Flaten <jarl.flaten at gmail.com>
> wrote:
>
>> (cf. reddit thread
>> <http://www.reddit.com/r/haskell/comments/2kpsz5/ghc_problem_new_llvm_schedule_reentered_unsafely/>
>> )
>>
>> I am trying to compile a simple "hello world" program (test.hs). When
>> compiling I am notified:
>>
>> > [1 of 1] Compiling Main             ( test.hs, test.o )
>> > You are using a new version of LLVM that hasn't been tested yet!
>>
>> > test: schedule: re-entered unsafely.
>> >    Perhaps a 'foreign import unsafe' should be 'safe'?
>>
>> Isn't working. I'm not familiar enough with neither LLVM nor Haskell to troubleshoot from either of these; I don't even know if the messages are even related.
>>
>> They are related in the sense that llvm-3.5 seems to this problem and it
> is not officially supported by ghc-7.6 or ghc-7.8 (hence the warning).
> ghc-7.8 supports 3.4 and 7.6 seems to mostly work with some patches.
>
> Can you provide more details on your environment: OS and ghc version etc?
>
> I am not sure yet what is causing this: perhaps you could try compiling
> with "-threaded" and see if that helps?
>
> Jens
>
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